I would suggest an oil change for both the gearbox and tranfer case. Also have a look at the oil before disposing it for debris / bits of gearbox etc..
Good luck.
Vince
September 2010
you could check your oil level maybe you out of oil.
deus ajude
September 2010
I can answer this question...
I have a whinning noise comming from My Range Rover Vogue Gear box?